Home / 134,733.83-201,838.21-82,012.55

Finding the Fourth Proportional to 134,733.83, 201,838.21 and 82,012.55

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Solution

The fourth proportional to 134,733.83, 201,838.21 and 82,012.55 is: 122,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,733.83 : 201,838.21 = 82,012.55 : x
  2. Step 2: Convert to fraction form
    134,733.83/201,838.21 = 82,012.55/x
  3. Step 3: Cross multiply
    134,733.83x = 201,838.21 × 82,012.55
  4. Step 4: Simplify right side
    134,733.83x = 16,553,265,075.31
  5. Step 5: Solve for x
    x = 16,553,265,075.31/134,733.83
  6. Step 6: Final answer
    x = 122,859.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.